package com.example.reactive.config;

import java.util.concurrent.Executor;
import java.util.concurrent.ThreadPoolExecutor;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.scheduling.annotation.EnableAsync;
import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor;

@Configuration
@EnableAsync
public class ThreadPoolConfig {
	@Bean
	public Executor getExecutor() {
		ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
		executor.setCorePoolSize(5);// 线程池维护线程的最少数量
		executor.setMaxPoolSize(30);// 线程池维护线程的最大数量
		executor.setQueueCapacity(8); // 缓存队列
		executor.setRejectedExecutionHandler(new ThreadPoolExecutor.CallerRunsPolicy()); // 对拒绝task的处理策略
		executor.setKeepAliveSeconds(60);// 允许的空闲时间
		executor.initialize();
		return executor;
	}
}
